Added SMSD non-interactive command line client for Shack-Hartmann control system

Trinamic/SHA_client_cmdline/cmdlnopts.c

@@ -0,0 +1,84 @@
+/*
+ * cmdlnopts.c - the only function that parce cmdln args and returns glob parameters
+ *
+ * Copyright 2013 Edward V. Emelianoff <eddy@sao.ru>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+
+#include "cmdlnopts.h"
+
+/*
+ * here are global parameters initialisation
+ */
+glob_pars G;  // internal global parameters structure
+int help = 0; // whether to show help string
+
+glob_pars Gdefault = {
+	.comdev    = "/dev/ttyUSB0",
+	.relaycmd  = -1,
+	.erasecmd  = 0,
+	.gotopos   = NULL
+};
+
+/*
+ * Define command line options by filling structure:
+ *	name	has_arg	flag	val		type		argptr			help
+*/
+myoption cmdlnopts[] = {
+	/// "ÏÔÏÂÒÁÚÉÔØ ÜÔÏ ÓÏÏÂÝÅÎÉÅ"
+	{"help",	0,	NULL,	'h',	arg_int,	APTR(&help),		"show this help"},
+	/// "ÐÕÔØ Ë ÕÓÔÒÏÊÓÔ×Õ"
+	{"comdev",1,	NULL,	'd',	arg_string,	APTR(&G.comdev),	"input device path"},
+	/// "×ËÌÀÞÉÔØ (1)/×ÙËÌÀÞÉÔØ (0) ÒÅÌÅ"
+	{"relay", 1,	NULL,	'r',	arg_int,	APTR(&G.relaycmd),	"turn relay on (1)/off (0)"},
+	/// "ÔÏÌØËÏ ÏÞÉÓÔÉÔØ ÐÁÍÑÔØ ËÏÎÔÒÏÌÌÅÒÁ"
+	{"erase-old",0,NULL,	'e',	arg_none,	APTR(&G.erasecmd),	"only erase controller's memory"},
+	/// "ÐÅÒÅÊÔÉ ÎÁ ÐÏÚÉÃÉÀ (refmir/diagmir/shack)"
+	{"goto", 1,		NULL,	'g',	arg_string,	APTR(&G.gotopos),	"go to position (refmir/diagmir/shack)"},
+	// ...
+	end_option
+};
+
+/**
+ * Parce command line options and return dynamically allocated structure
+ * 		to global parameters
+ * @param argc - copy of argc from main
+ * @param argv - copy of argv from main
+ * @return allocated structure with global parameters
+ */
+glob_pars *parce_args(int argc, char **argv){
+	int i;
+	void *ptr;
+	ptr = memcpy(&G, &Gdefault, sizeof(G)); assert(ptr);
+	// format of help: "Usage: progname [args]\n"
+	/// "éÓÐÏÌØÚÏ×ÁÎÉÅ: %s [ÁÒÇÕÍÅÎÔÙ]\n\n\tçÄÅ ÁÒÇÕÍÅÎÔÙ:\n"
+	change_helpstring("Usage: %s [args]\n\n\tWhere args are:\n");
+	// parse arguments
+	parceargs(&argc, &argv, cmdlnopts);
+	if(help) showhelp(-1, cmdlnopts);
+	if(argc > 0){
+		/// "éÇÎÏÒÉÒÕÀ ÁÒÇÕÍÅÎÔ[Ù]:"
+		printf("\n%s\n", "Ignore argument[s]:");
+		for (i = 0; i < argc; i++)
+			printf("\t%s\n", argv[i]);
+	}
+	return &G;
+}
+